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Category: Entrance exams for high school 2021 Topic: Direct proportionality, indirect proportionality Contacts (how to contact me?) - click the infobox ????❤️ Fanpage: / tomcha163 (also messages) Facebook (DO NOT ADD, only follow): https://www. facebook.com/profile.php?... E-mail: [email protected] Webpage: http://www.chabada.cz Instagram: / tomchabada Twitter: / tomas_chabada